Over 5.6 million people have fled Syria since 2011, seeking safety in Lebanon, Turkey, Jordan and beyond.
More than four million people have left the country amidst violence and crippling food shortages.
The brutal conflict in South Sudan has claimed thousands of lives and driven nearly four million people from their homes.
Violent insurgents in northeastern Nigeria have displaced nearly 2.4 million people and driven many over the border into neighbouring countries.
Central African Republic
The Central African Republic (CAR) is one of the world’s poorest countries and has long been troubled by unrest.